is laid on the orbits of the horizontal run, constitute a rectangular scope of work

Bridge crane is a bridge in high orbit a bridge typebridge gantry crane, also known as the crown. Bridge crane bridge along the laid on on both sides of the elevated rail longitudinal operation, lifting trolley along the bridge is laid on the orbits of the horizontal run, constitute a rectangular scope of work, can make full use of bridge the space below the lifting materials, from the ground equipment obstacles. The characteristics of the bridge crane can be made on a hook or other fetch device weight implement vertical or horizontal migration in space. Bridge crane including: lifting mechanism, big, the car run institutions. Rely on these institutions cooperate with action, can make the weight in a cube space lifting and handling. Bridge overhead gantry crane, gantry crane, gantry crane, metallurgical and cable crane and so on all is such.